Writing 2 Step Equations

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to solve for the variable.

Front

How do you isolate a variable in a two-step equation?

Back

To isolate a variable, perform the inverse operations in the reverse order of how they are applied.

Front

What is the first step in solving the equation 10m + 35 = 115?

Back

Subtract 35 from both sides to isolate the term with the variable.

Front

What is the solution to the equation 10m + 35 = 115?

Back

m = 8.

Front

In the equation 100x + 135 = 535, what does x represent?

Back

x represents the number of additional hours worked by Ms. Jacobs.

Front

What is the total charge for Ms. Jacobs if she works for 4 hours?

Back

Total charge = 135 + (100 * 3) = $435.

Front

What does the $60 traveling fee represent in the electrician's equation?

Back

It is a fixed cost added to the total bill for the electrician's services.

Front

How do you find the number of hours worked by the electrician if the total bill is $600?

Back

Use the equation 90h + 60 = 600 and solve for h.

Front

What is the total amount Joe needs to earn to go to Italy?

Back

Joe needs to earn $3,100.

Front

In the equation 25y + 100 = 3,100, what does y represent?

Back

y represents the number of yards Joe needs to mow.